:root {
  color-scheme: dark;
  --bg: #070909;
  --bg-soft: #101414;
  --panel: rgba(15, 22, 21, 0.82);
  --panel-strong: rgba(20, 29, 28, 0.94);
  --line: rgba(218, 235, 220, 0.16);
  --line-bright: rgba(143, 255, 196, 0.42);
  --text: #f2f0e8;
  --muted: #aeb9b1;
  --green: #6dffa4;
  --cyan: #62d8ff;
  --red: #ff6a64;
  --magenta: #ff65d8;
  --amber: #f4c96c;
  --blue: #6f9cff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  font-size: 14px;
  background: var(--bg);
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--text);
  font-family:
    Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(135deg, #07100f 0%, #0b0d0f 46%, #130f12 100%);
  background-size: 44px 44px, 44px 44px, auto;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

.app-shell {
  width: min(1560px, calc(100% - 36px));
  margin: 0 auto;
  padding: 20px 0 32px;
}

.top-band {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(320px, 1.1fr);
  gap: 22px;
  align-items: end;
  padding: 18px 0 22px;
}

.kicker,
.eyebrow,
.section-label {
  margin: 0 0 8px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 2.08rem;
  line-height: 1.04;
  font-weight: 860;
}

h2 {
  font-size: 1.06rem;
  line-height: 1.25;
  font-weight: 760;
}

.lead {
  color: #dce7de;
  font-size: 0.92rem;
  line-height: 1.62;
  max-width: 760px;
}

.lab-grid {
  display: grid;
  grid-template-columns: minmax(270px, 0.82fr) minmax(560px, 1.45fr) minmax(340px, 1fr);
  gap: 16px;
  align-items: start;
}

.sample-panel,
.scope-panel,
.control-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.sample-panel,
.control-panel {
  padding: 16px;
}

.sample-panel {
  display: flex;
  flex-direction: column;
}

.panel-head {
  margin-bottom: 16px;
}

.upload-target,
.sample-button,
.cache-button,
.flow-button,
.mode-button,
.channel-button,
.action-button {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
  cursor: pointer;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    transform 160ms ease,
    box-shadow 160ms ease;
  -webkit-tap-highlight-color: transparent;
}

.upload-target:active,
.sample-button:active,
.cache-button:active,
.flow-button:active,
.mode-button:active,
.channel-button:active,
.action-button:active {
  transform: translateY(1px) scale(0.99);
}

.upload-target:focus-visible,
.sample-button:focus-visible,
.cache-button:focus-visible,
.flow-button:focus-visible,
.mode-button:focus-visible,
.channel-button:focus-visible,
.action-button:focus-visible,
input[type="range"]:focus-visible {
  outline: 3px solid rgba(98, 216, 255, 0.6);
  outline-offset: 3px;
}

.upload-target {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 10px;
  align-items: center;
  width: 100%;
  min-height: 82px;
  padding: 12px;
  text-align: left;
  background:
    linear-gradient(135deg, rgba(109, 255, 164, 0.13), rgba(98, 216, 255, 0.08)),
    rgba(255, 255, 255, 0.04);
}

.sample-list + .upload-target {
  margin-top: 14px;
}

.upload-target:hover,
.sample-button:hover,
.cache-button:hover,
.flow-button:hover,
.mode-button:hover,
.channel-button:hover,
.action-button:hover {
  border-color: var(--line-bright);
  background: rgba(255, 255, 255, 0.075);
}

.upload-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(109, 255, 164, 0.55);
  border-radius: 8px;
  color: var(--green);
  font-size: 2rem;
  line-height: 1;
  box-shadow: 0 0 28px rgba(109, 255, 164, 0.14);
}

.upload-target strong,
.sample-button strong,
.range-control strong {
  display: block;
  font-size: 0.94rem;
  line-height: 1.25;
  font-weight: 760;
}

.upload-target small,
.sample-button small,
.range-control small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.38;
}

.sample-list {
  display: grid;
  gap: 8px;
  min-width: 0;
  margin-top: 12px;
}

.sample-button {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 10px;
  align-items: center;
  min-height: 66px;
  padding: 8px;
  text-align: left;
}

.sample-button.is-active {
  border-color: rgba(109, 255, 164, 0.62);
  background: rgba(109, 255, 164, 0.09);
}

.upload-cache {
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  min-height: 0;
  margin-top: 14px;
}

.cache-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: baseline;
  margin-bottom: 9px;
}

.cache-head small {
  color: rgba(220, 232, 223, 0.62);
  font-size: 0.72rem;
  line-height: 1.3;
  text-align: right;
}

.cache-list {
  display: grid;
  gap: 9px;
  align-content: start;
}

.cache-empty {
  display: grid;
  place-items: center;
  min-height: 72px;
  padding: 12px;
  border: 1px dashed rgba(218, 235, 220, 0.18);
  border-radius: 8px;
  color: rgba(220, 232, 223, 0.64);
  background: rgba(0, 0, 0, 0.12);
  font-size: 0.84rem;
  font-weight: 760;
  line-height: 1.35;
  text-align: center;
}

.cache-button {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 11px;
  align-items: center;
  min-height: 78px;
  padding: 8px;
  color: #dce8df;
  text-align: left;
}

.cache-button.is-active {
  border-color: rgba(98, 216, 255, 0.62);
  background: rgba(98, 216, 255, 0.1);
}

.cache-preview {
  width: 68px;
  height: 58px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: #020403;
}

.cache-preview img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cache-copy {
  min-width: 0;
}

.cache-copy strong {
  display: block;
  overflow: hidden;
  font-size: 0.88rem;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cache-copy small {
  display: block;
  margin-top: 5px;
  color: rgba(220, 232, 223, 0.68);
  font-size: 0.72rem;
  line-height: 1.35;
}

.sample-thumb {
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background-color: #050b09;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  box-shadow: inset 0 0 18px rgba(0, 0, 0, 0.42);
}

.thumb-city {
  background:
    linear-gradient(90deg, #ffe681 0 5px, transparent 5px 12px),
    linear-gradient(#181c2a, #0b0f12);
  background-size: 18px 100%, auto;
}

.thumb-cells {
  background-image:
    linear-gradient(180deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.16)),
    url("./assets/thumb-cells.jpg");
}

.thumb-chloroplast {
  background-image:
    linear-gradient(125deg, rgba(0, 255, 118, 0.2), rgba(255, 60, 40, 0.1)),
    url("./assets/thumb-leaf.jpg");
}

.thumb-fibers {
  background-image:
    linear-gradient(180deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.18)),
    url("./assets/thumb-neurons.png");
}

.scope-panel {
  align-self: start;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(24, 33, 31, 0.94), rgba(8, 11, 11, 0.96)),
    var(--panel-strong);
}

.scope-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 14px 16px 10px;
}

.live-readout {
  display: grid;
  gap: 7px;
  min-width: 142px;
  color: #dff8e8;
  font-size: 0.9rem;
  text-align: right;
}

.live-readout span {
  border: 1px solid rgba(109, 255, 164, 0.24);
  border-radius: 8px;
  padding: 7px 10px;
  background: rgba(0, 0, 0, 0.22);
}

.scope-viewport {
  position: relative;
  flex: 0 0 auto;
  width: min(calc(100% - 28px), 68vh, 740px);
  aspect-ratio: 1 / 1;
  min-height: 0;
  height: auto;
  max-height: none;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(180, 255, 217, 0.22);
  border-radius: 8px;
  background: #020403;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.04),
    inset 0 0 80px rgba(109, 255, 164, 0.07);
  touch-action: none;
}

#scopeCanvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.scan-glass {
  pointer-events: none;
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(109, 255, 164, 0.055) 1px, transparent 1px);
  background-size: 100% 5px, 64px 100%;
  mix-blend-mode: screen;
}

.corner-label {
  pointer-events: none;
  position: absolute;
  z-index: 2;
  color: rgba(231, 255, 240, 0.7);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0;
}

.top-left {
  top: 14px;
  left: 14px;
}

.bottom-right {
  right: 26px;
  bottom: 24px;
}

.scale-bar {
  pointer-events: none;
  position: absolute;
  right: 26px;
  bottom: 18px;
  width: 88px;
  height: 4px;
  border-radius: 2px;
  background: rgba(241, 255, 246, 0.8);
  box-shadow: 0 0 18px rgba(109, 255, 164, 0.45);
}

.scope-guide {
  pointer-events: auto;
  position: absolute;
  z-index: 3;
  top: 0;
  left: 112px;
  right: 10px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.scope-guide .flow-button {
  min-width: 0;
  border: 1px solid rgba(218, 235, 220, 0.14);
  border-radius: 8px;
  min-height: 58px;
  padding: 8px 9px;
  background: rgba(3, 7, 6, 0.66);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(12px);
  text-align: left;
}

.scope-guide .flow-button.is-active {
  border-color: rgba(109, 255, 164, 0.54);
  background: rgba(16, 42, 32, 0.76);
}

.scope-guide strong {
  display: block;
  color: var(--green);
  overflow: hidden;
  font-size: 0.76rem;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.scope-guide span {
  display: block;
  margin-top: 4px;
  color: rgba(242, 240, 232, 0.76);
  overflow: hidden;
  font-size: 0.7rem;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mode-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 12px 16px 16px;
}

.mode-button {
  min-height: 50px;
  padding: 8px 10px;
  color: #dbe8df;
  font-size: 0.86rem;
  font-weight: 720;
}

.mode-button.is-active {
  border-color: rgba(98, 216, 255, 0.62);
  background: rgba(98, 216, 255, 0.12);
  box-shadow: inset 0 0 22px rgba(98, 216, 255, 0.08);
}

.control-stack {
  display: grid;
  gap: 11px;
}

.range-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 9px 10px;
  align-items: start;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.18);
}

.range-control output {
  min-width: 48px;
  padding: 5px 8px;
  border-radius: 8px;
  color: var(--green);
  background: rgba(109, 255, 164, 0.08);
  text-align: center;
  font-weight: 820;
}

.range-control input {
  grid-column: 1 / -1;
  width: 100%;
}

input[type="range"] {
  appearance: none;
  height: 36px;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  touch-action: pan-x;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(109, 255, 164, 0.5), rgba(98, 216, 255, 0.45), rgba(255, 101, 216, 0.45)),
    rgba(255, 255, 255, 0.05);
}

input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 34px;
  height: 34px;
  margin-top: -11px;
  border: 2px solid #f6fff8;
  border-radius: 8px;
  background: #0e1815;
  box-shadow:
    0 0 0 4px rgba(109, 255, 164, 0.18),
    0 0 24px rgba(109, 255, 164, 0.38);
}

input[type="range"]::-moz-range-track {
  height: 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(109, 255, 164, 0.5), rgba(98, 216, 255, 0.45), rgba(255, 101, 216, 0.45)),
    rgba(255, 255, 255, 0.05);
}

input[type="range"]::-moz-range-thumb {
  width: 30px;
  height: 30px;
  border: 2px solid #f6fff8;
  border-radius: 8px;
  background: #0e1815;
  box-shadow:
    0 0 0 4px rgba(109, 255, 164, 0.18),
    0 0 24px rgba(109, 255, 164, 0.38);
}

.channel-area {
  margin-top: 14px;
}

.channel-note {
  margin: -2px 0 10px;
  color: rgba(220, 232, 223, 0.72);
  font-size: 0.74rem;
  line-height: 1.45;
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.channel-button {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 9px;
  align-items: center;
  justify-content: flex-start;
  min-height: 62px;
  padding: 8px 9px;
  color: #dce8df;
  font-weight: 740;
  text-align: left;
}

.channel-dot {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 18px currentColor;
}

.channel-copy {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.channel-copy strong {
  font-size: 0.9rem;
  line-height: 1.15;
}

.channel-copy small {
  color: rgba(242, 240, 232, 0.68);
  font-size: 0.66rem;
  line-height: 1.3;
}

.channel-button.is-on {
  background: rgba(255, 255, 255, 0.095);
}

.channel-blue {
  color: var(--blue);
}

.channel-green {
  color: var(--green);
}

.channel-red {
  color: var(--red);
}

.channel-magenta {
  color: var(--magenta);
}

.channel-button:not(.is-on) {
  opacity: 0.56;
  background: rgba(255, 255, 255, 0.035);
}

.action-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
  margin-top: 18px;
}

.sample-actions {
  margin-top: 14px;
}

.action-button {
  min-height: 52px;
  padding: 9px 12px;
  font-weight: 780;
  background: rgba(255, 255, 255, 0.055);
}

.action-button.primary {
  grid-column: 1 / -1;
  color: #07100c;
  border-color: rgba(109, 255, 164, 0.76);
  background: linear-gradient(135deg, var(--green), var(--amber));
  box-shadow: 0 18px 38px rgba(109, 255, 164, 0.16);
}

@media (max-width: 1320px) and (min-width: 981px) {
  html {
    font-size: 13px;
  }

  .app-shell {
    width: min(100% - 24px, 1560px);
  }

  .lab-grid {
    grid-template-columns: minmax(220px, 0.74fr) minmax(410px, 1.28fr) minmax(270px, 0.98fr);
    gap: 12px;
  }

  .sample-panel,
  .control-panel {
    padding: 14px;
  }

  .scope-toolbar {
    padding: 14px 14px 10px;
  }

  .scope-viewport {
    width: min(calc(100% - 24px), 64vh, 680px);
    margin: 0 auto;
  }

  .mode-strip {
    padding: 12px 14px 14px;
  }

  .scope-guide {
    left: 96px;
    right: 10px;
    gap: 6px;
  }

  .scope-guide .flow-button {
    min-height: 54px;
    padding: 7px 8px;
  }

  .scope-guide span {
    font-size: 0.7rem;
  }
}

@media (max-width: 980px) {
  html {
    font-size: 13.5px;
  }

  .top-band {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 12px 0 16px;
  }

  .lab-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 12px;
  }

  .scope-panel {
    grid-column: 1 / -1;
    min-height: auto;
  }

  .scope-viewport {
    width: min(calc(100% - 24px), 62vh, 640px);
    aspect-ratio: 1 / 1;
    height: auto;
  }

  .sample-panel {
    order: 2;
  }

  .scope-panel {
    order: 1;
  }

  .control-panel {
    order: 3;
  }
}

@media (max-width: 720px) {
  html {
    font-size: 13px;
  }

  .app-shell {
    width: min(100% - 18px, 1560px);
    padding-top: 10px;
  }

  .lab-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 1.72rem;
  }

  h2 {
    font-size: 0.98rem;
  }

  .eyebrow,
  .section-label {
    font-size: 0.72rem;
  }

  .lead {
    font-size: 0.86rem;
    line-height: 1.5;
  }

  .scope-toolbar,
  .mode-strip {
    display: grid;
    grid-template-columns: 1fr;
  }

  .scope-toolbar {
    padding: 10px 10px 8px;
  }

  .live-readout {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    font-size: 0.76rem;
    text-align: left;
  }

  .scope-viewport {
    width: min(calc(100% - 16px), 78vh, 430px);
    aspect-ratio: 1 / 1;
    min-height: 0;
    height: auto;
    margin: 0 auto;
  }

  .mode-strip {
    padding-inline: 10px;
  }

  .scope-guide {
    top: 0;
    left: 0;
    right: 0;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .scope-guide .flow-button {
    min-height: 40px;
    border-radius: 0 0 8px 8px;
    padding: 6px;
  }

  .scope-guide strong {
    font-size: 0.72rem;
    text-align: center;
  }

  .scope-guide span {
    display: none;
  }

  .mode-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
    padding: 9px 10px 10px;
  }

  .mode-button {
    min-height: 40px;
    padding: 7px 4px;
    font-size: 0.74rem;
    white-space: nowrap;
  }

  .sample-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    overflow: visible;
    padding-bottom: 0;
  }

  .sample-button {
    grid-template-columns: 38px minmax(0, 1fr);
    min-height: 72px;
    gap: 8px;
    padding: 7px;
  }

  .sample-thumb {
    width: 38px;
    height: 38px;
  }

  .sample-button strong {
    font-size: 0.82rem;
    line-height: 1.18;
  }

  .sample-button small {
    margin-top: 3px;
    font-size: 0.66rem;
    line-height: 1.28;
  }

  .upload-target {
    grid-template-columns: 40px 1fr;
    min-height: 70px;
  }

  .upload-mark {
    width: 40px;
    height: 40px;
    font-size: 1.7rem;
  }

  .cache-empty {
    min-height: 58px;
  }

  .range-control {
    padding: 8px;
  }

  input[type="range"] {
    height: 32px;
  }

  input[type="range"]::-webkit-slider-thumb {
    width: 30px;
    height: 30px;
    margin-top: -9px;
  }

  .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .action-row {
    grid-template-columns: 1fr 1fr;
  }

  .action-button.primary {
    grid-column: 1 / -1;
  }
}

@media (max-width: 420px) {
  .sample-panel,
  .control-panel {
    padding: 12px;
  }

  .sample-list {
    gap: 7px;
  }

  .sample-button {
    grid-template-columns: 34px minmax(0, 1fr);
    min-height: 66px;
    gap: 7px;
    padding: 6px;
  }

  .sample-thumb {
    width: 34px;
    height: 34px;
  }

  .sample-button strong {
    font-size: 0.78rem;
  }

  .sample-button small {
    font-size: 0.62rem;
  }
}